Nortel Networks Remote Gateway 50 - Manual (Page 231)

Emergency Services configuration Page 231 of 258
Main Office Configuration for Survivable Remote Gateway 50 Configuration Guide
Procedure 15
Configuring the main office
Use Element Manager or the Command Line Interface for this procedure.
Refer to IP Peer Networking: Installation and Configuration (553-3001-213) for
details.
1 Configure the main office emergency trunk (CAMA or PRI).
Configure either analog CAMA or digital PRI to correctly signal the call
identification.
ESA overrides all restrictions. Configure the trunk with restrictions so that
other features cannot access the trunk.
2 Configure the Virtual Trunk using the procedure from IP Peer Networking:
Installation and Configuration (553-3001-213).
The Virtual Trunk must be configured to enable emergency calls
originating from SRG IP Phones registered at the main office to reach the
branch office.
3 Configure ESN.
ESA uses a route number rather than ESN route list index. However, ESN
is required at the
branch office.
4 Configure Emergency Services Access (ESA) in LD 24.
LD 24 – Configure Emergency Services Access. (Part 1 of 2)
Prompt Response Description
REQ NEW CHG Add new data, or change existing data.
TYPE ESA Emergency Services Access data block
CUST xx Customer number as defined in LD 15
ESDN xxxx Emergency Services DN (for example, 911). Up to four digits are
accepted.
ESRT
0-511
0-127
ESA route number
Range for Large System and CS 1000E system
Range for Small System, CS 1000S system, Media Gateway
1000B, and Media Gateway 1000T